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[Left ventricular function in obstructive chronic bronchopneumopathy].

A Noseda1, T Verbeet, M Verhas

  • 1Département de Pneumologie, Hôpital universitaire Brugmann, Bruxelles, Belgique.

Presse Medicale (Paris, France : 1983)
|May 13, 1989
PubMed
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Left ventricular (LV) failure is uncommon in severe chronic obstructive pulmonary disease (COPD). Radionuclide angiography is best for evaluating LV function, and decreased stroke volume index may indicate diastolic dysfunction.

Area of Science:

  • Cardiology
  • Pulmonology
  • Medical Imaging

Background:

  • Severe chronic obstructive pulmonary disease (COPD) can affect cardiac function.
  • Left ventricular (LV) dysfunction is a potential complication in COPD patients.
  • Distinguishing cardiac from pulmonary causes of symptoms is crucial.

Purpose of the Study:

  • To assess left ventricular (LV) function in patients with severe stable COPD.
  • To determine the prevalence of LV failure in this population.
  • To identify the most effective methods for evaluating LV function in COPD.

Main Methods:

  • Echocardiography, radionuclide angiography, and right heart catheterization were used.
  • Pulmonary capillary wedge pressure (PCWP) and LV ejection fraction (LVEF) were measured.

Related Experiment Videos

  • Stroke volume index (SVI) was calculated using thermodilution.

    • Main Results:

    • LV failure was confirmed in only one of 20 patients.
    • Radionuclide angiography proved most effective in differentiating patients.
    • A decreased SVI was observed in 9 of 14 patients with normal LVEF.

    Conclusions:

    • Left ventricular (LV) failure is infrequent in severe COPD; digitalis is not routinely recommended.
    • Radionuclide angiography is the preferred method for routine LV function assessment in COPD.
    • Decreased SVI with normal LVEF may suggest diastolic dysfunction in COPD patients with small LV cavities.